Uncategorized
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19638
I refer to the article on pyrethroid insecticides. I suggest that all pesticides, regardless of their chemical structure, should be applied by trained operators who are equipped to degrade the run off before it enters public water and soil. This group of products is unsuitable for casual use by people at large. S. BanerjiMumbai, India
- Earth
A Little Less Green?
Emerging data indicate that use of pyrethroid pesticides, even by home owners, poses significant environmental risks.
- Tech
Microbial Moxie
Microbial fuel cells, which take advantage of the fact that some microbes generate electricity when they break down organic matter, could one day power remote sensors, wastewater-treatment plants, and portable devices.
- Math
Math Plus Crime, TV Style
Math tidbits from the TV show "Numb3rs" inspire commentary and classroom activities.
- Humans
From the January 25, 1936, issue
A giant scoop shovel, a new atom smasher, and making wheat grow better.
- Earth
Seamount Expedition
Join scientists as they explore the cold waters of the Davidson Seamount off the central California coastline. This huge undersea mountain harbors a variety of spectacular marine life, including large, ancient, and fragile coral gardens. Students and the general public can share the expedition’s discoveries through NOAA’s Ocean Explorer Web site, which features daily logs, […]
- Humans
Young Scientists Get Results: Science, math, and engineering competition selects 40 talented finalists
Forty high school students have each earned a spot as a finalist in the 65th annual Intel Science Talent Search.
- Health & Medicine
Double Dose: Two ways to boost kidney-transplant viability
By evaluating kidneys obtained for transplant from older people—then culling the worn-out organs—scientists can identify kidneys likely to last longer in their new hosts, especially when implanted in pairs.
- Animals
Eggs Scramble: Fungi trick termites into babysitting
A fungus may be taking advantage of hardworking termite nursemaids by tricking them into tending egg-shaped fungal reproductive bodies along with real termite eggs.
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Hunter Beware: Infectious proteins found in deer muscle
Infectious agents that cause a mad cow–like infection in deer and elk are present in infected animals' muscles.
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19637
I must quibble about the headline of this piece about chronic wasting disease in deer. “Hunter Beware” sounds ominous, but in order to get the mice to exhibit symptoms after getting muscle tissue from infected deer, it was necessary to use genetically engineered mice carrying deer protein. While hunters would be unlikely to take and […]
- Earth
Charting the Past: Surveys map two lost harbors of Phoenicia
By analyzing long tubes of sediment drilled from locations in and around the Mediterranean ports of Tyre and Sidon, scientists have rediscovered the harbors from which legions of ancient Phoenician mariners set sail.
